We uphold the concept of providing customers with value-added services. What is sold is not just a single product, but a excellent Hydraulic Chrome Bar, Honing pipe, Ck20 Honing Pipe solution for customers, which brings real value enhancement to customers. We take 'wholeheartedly manufacture first-class products and serve the society' as the company's quality policy, strengthen comprehensive quality management, so as to ensure the stability and reliability of product quality. In today's era of rapid development of the division of labor in the industry, our company with "quality first, customer first" business philosophy. We have established an energetic market service system and a quick response technical support system. We not only hope to establish long-term cooperation with you, but also hope to be your good partner. We will assist you to gain more market share and earn more profits.
Hydraulic Cold Drawn Pipe Introduction
Cold drawn steel pipe is produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose. ID and OD tolerance could be decided by customer. IF you are looking for seamless cold drawn pipe for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.
Hydraulic Cold Drawn Pipes Technical Parameters and Details
Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.
Original: Jiangsu, China
Certification: ISO9001.
Material: SAE1020, 20#, ST45, CK45, ST52, E355
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: packed in bundle, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Size and Tolerance:
Working method | Cylinder ID (mm) | Length (m) | Straightness (mm/m) | Tolerance on ID | Tolerance on WT | Roughness (μm) |
Cold drawn | 40-320 | ≤12M | 0.2-0.5 | / | ±5% | 0.8-1.6 |
Cold rolling | 30-100 | ≥12M | 0.2-0.5 | / | ±5% | 0.8-1.2 |
cold drawn- honed | 40-500 | 8M | 0.2-0.3 | H8-H9 | ±5% | 0.2-0.8 |
Cold drawn-skived | 40-400 | 7M | 0.2-0.3 | H8-H9 | ±5% | ≤0.4 |
Deep hole boring- honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.8 |
Deep hole boring- skived | 320-400 | 7M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |

Cold drawn steel pipe characteristics
1. The inside tolerance could be decided by customer. It depends on if it is ready for hone or ready for skived.
2. ID size from 50 to 280mm, OD size from 60 to 370mm, totally has more than 200 sizes.
3. Length could be fixed length of random length.
Experience and markets
Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.

Relying on professionalism and mature technology, we have made great achievements and widespread popularity in the field of manufacturing Precision Hydraulic Cold Drawn/Rolled JIS G3445 G3455 Seamless Steel Pipe. We always develop and design kinds of novel products to meet the market demand and help the guests continuously by updating our products. We hope that all employees will follow the action guidelines, do specific work with enthusiasm, fulfill their due corporate social responsibilities, and become a company that is needed by the world.
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